Download here for Functional List, Dimension, Technical Specification, and Model Selection. DOWNLOAD LIFT CONTROLLERModel: BS600-3L Features; Standalone Operation or direct connection with PC via RS485. Control up to 64 floors per lift car. Store up to 20,000 cards and 20,000 off-line transactions. Programmable User Group, Time Zone, Floor Access. Intuitive menu system supported by integral backlit LCD and keypad. Supports Bostex or 3rd party external RS485 reader. CE Certified.